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Roik O.S.,Taras Shevchenko National University | Kazimirov V.P.,Taras Shevchenko National University | Sokolskii V.E.,Taras Shevchenko National University | Galushko S.M.,Uman State Pedagogical University
Journal of Non-Crystalline Solids | Year: 2013

The short-range order in binary and ternary liquid alloys of aluminum with 3d-transition metals (TM) was studied by the X-ray diffraction method and Reverse Monte Carlo simulations. The causes of the presence of the prepeak and asymmetric shape of the second peak on the experimental total structure factors were discussed. The effect of the transition metal atom type on the short-range order of Al-based liquid alloys was demonstrated. © 2013 Elsevier B.V. Source


Tytar V.,Ukrainian Academy of Sciences | Sobolenko L.,Uman State Pedagogical University | Nekrasova O.,Ukrainian Academy of Sciences | Mezhzherin S.,Ukrainian Academy of Sciences
Vestnik Zoologii | Year: 2015

Using Ecological Niche Modeling for Biodiversity Conservation Guidance in the Western Podillya (Ukraine): Reptiles. Tytar, V., Sobolenko, L., Nekrasova, O. Mezhzherin, S.-Maximum entropy niche modeling was employed as a tool to assess potential habitat suitability for 10 reptile species and to map their potential distribution in the Western Podillya (Ukraine). We used climate, topography and human impact (assessed by the Human Footprint) as predictor variables. "Isothermality", "temperature seasonality" and the "mean temperature of coldest month" were three most important factors in predicting habitat suitability and distribution. A profound contribution to the modeling has been displayed by the Human Footprint, meaning that human infrastructure may benefit reptile species. Areas have been distinguished that in the first place should be of interest to biodiversity conservationists targeting reptiles and maps summarizing predicted habitat suitability and species richness were produced for guiding conservation efforts. © 2016 by V. Tytar 2016. Source


Mitiai O.,Uman State Pedagogical University | Lagodiienko V.,Odessa National Academy of Food Technologies | Safonov V.,Odesa National Economic University
Economic Annals-XXI | Year: 2015

Introduction. The problem of economic mechanisms formation for the sustainable development of the agricultural sector in the context of rational use and restoration of natural resources takes an important place in agricultural economic studies. Purpose. To define the essence of sustainable development in the agricultural sector and justify its interim mechanisms. Results. The agrarian enterprises' sustainable development has been grounded through the mobilisation of their internal resources to create a rational structure of production. The mentioned structure would mitigate adverse impacts and obtain minimal deviations from the current trends of development. The interrelation between the sustainable development of the agricultural sector and the competitiveness of enterpri ses has been set. The basic criteria and a structural model of the agricultural sector sustainable development have been formed. It includes such an innovation as corporate social responsibi lity of agricultural enterprises aimed at safe ope ration and competitiveness. Conclusions. The interrelation between the sustainable development of the agricultural sector and the competitiveness of agricultural enterprises is the main factor of sustainable development which may improve sustainability of the environment. It provides a system of food quality standards creation. Thus, enterprises producing uncompetitive products by using outdated processes will not succeed in the long run perspective. Source


Tytar V.,Schmalhausen Institute of Zoology NAS of Ukraine | Mezhzherin S.,Schmalhausen Institute of Zoology NAS of Ukraine | Sobolenko L.,Uman State Pedagogical University
Vestnik Zoologii | Year: 2015

Maximum entropy niche modeling was employed as a tool to assess potential habitat suitability for 13 amphibian species and to map their potential distribution in the Western Podillya (Ukraine). Th e predictor variables used were of climate, topography and human impact (assessed by the Human Footprint). Th e "mean temperature of coldest quarter" and "isothermality" were two of the most important factors in predicting habitat suitability and distribution. Another profound contribution has been displayed by the Human Footprint, meaning that human infrastructure may benefi t amphibians, a phenomenon that perhaps is much more widespread than thought. Areas have been distinguished that in the fi rst place should be of interest to nature conservationists targeting amphibians (exemplifi ed by Bombina variegata) and a map summarizing species richness was produced. © P. E. Goldin et al. 2015. Source


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